Treat any same-app window as popup risk for window capture

Owned popups composite their parent even when the windows do not
overlap, so the intersection test missed DBeaver-style floating dialogs.
Any other window from the same app now routes the pick to the screen
crop.

💘 Generated with Crush

Assisted-by: Crush:deepseek-v4-flash-0731

build-app.sh

@@ -108,9 +108,9 @@ cat > "$APP/Contents/Info.plist" <<'PLIST'
     <key>CFBundleIconFile</key>
     <string>Icon</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.8.2</string>
+    <string>1.8.3</string>
     <key>CFBundleVersion</key>
-    <string>82</string>
+    <string>83</string>
     <key>LSUIElement</key>
     <true/>
     <key>NSHighResolutionCapable</key>